angular8

问题 After updating from 8.1 to 8.2 I get many errors like this MyComponent.html:6 ERROR TypeError: Cannot read property 'ngInjectableDef' of undefined at getInjectableDef (core.js:361) at resolveNgModuleDep (core.js:30377) at NgModuleRef_.get (core.js:31578) at injectInjectorOnly (core.js:734) at ɵɵinject (core.js:744) at injectArgs (core.js:837) at core.js:16346 at _callFactory (core.js:30486) at _createProviderInstance (core.js:30429) at resolveNgModuleDep (core.js:30388)``` 回答1: I found one

问题 The following datepicker, has only Month and Day, with no year as intended. However, it does not have a Month selector as the picture below. How do I fix to allow a Month Picker, with no year? Trying to modify code from the question below . Angular Material DatePicker: Month and Day, Exclude Year https://stackblitz.com/edit/angular-hw54xf It probably needs to be injected in the periodLabel row below. <div class="example-header"> <button mat-icon-button (click)="previousClicked('month')"> <mat

问题 The following datepicker, has only Month and Day, with no year as intended. However, it does not have a Month selector as the picture below. How do I fix to allow a Month Picker, with no year? Trying to modify code from the question below . Angular Material DatePicker: Month and Day, Exclude Year https://stackblitz.com/edit/angular-hw54xf It probably needs to be injected in the periodLabel row below. <div class="example-header"> <button mat-icon-button (click)="previousClicked('month')"> <mat

问题 I am facing the issue while copying the clipboard data into the table rows. here my html table code: <table mat-table [dataSource]="dataSource"> <tr mat-header-row *cdkHeaderRowDef="displayedColumns" ></tr> <tr mat-row *cdkRowDef="let row; columns: displayedColumns;"></tr> <ng-container *ngFor="let disCol of displayedColumns; let colIndex = index" [cdkColumnDef]="disCol"> <div *ngIf="disCol != 'addrow'"> <th mat-header-cell *cdkHeaderCellDef style="background-color: rgb(198, 182, 255);">{

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 13 hours ago . may please help how can i draw such indoor floor plan. I searched about leaflet library, but it doesn't support what exactly I expect. thanks in advance 来源： https://stackoverflow.com/questions/60700909/how-can-i-draw-the-floor-plan-in-angular-8

问题 Would there be any errors or collision if using ViewChild and Input at the same time? Or is it recommended practice in general? Currently have Parent and Child component. Requirements: a) Parent needs to tell child component to conduct many things: mark form as touched, update values, manipulate the DOM, remove validators, etc. Things which are harder with @Input(). b) Also needs to apply input, however looking at resource here, ViewChild vs Input/Ouput - Angular Best Practices ViewChild will

问题 I am new to Angular testing, and I want to perform 2 kinds of test for my application: Unit Test - I choose to use Jest since I can run my test without opening the browser, and it also supports testing for specific cases with --testNamePatern . End to end test - I want to try out Protractor since it is available in Angular and also has a big Angular community to work with. My question is, can I use both Jest and Protractor in my application? If yes, do I need to configure anything to use both

问题 application works fine in the localhost, but after deployment, page loads which is given with the router links, but on click of a button, the router is loaded in other tab using window.open(), so after deployment i am not able to load the page which is opened using window.open(). Any help appreciated. 来源： https://stackoverflow.com/questions/60089673/angular-8-deployment-issue-not-opening-the-router-when-passed-via-window-open-in

问题 application works fine in the localhost, but after deployment, page loads which is given with the router links, but on click of a button, the router is loaded in other tab using window.open(), so after deployment i am not able to load the page which is opened using window.open(). Any help appreciated. 来源： https://stackoverflow.com/questions/60089673/angular-8-deployment-issue-not-opening-the-router-when-passed-via-window-open-in

问题 application works fine in the localhost, but after deployment, page loads which is given with the router links, but on click of a button, the router is loaded in other tab using window.open(), so after deployment i am not able to load the page which is opened using window.open(). Any help appreciated. 来源： https://stackoverflow.com/questions/60089673/angular-8-deployment-issue-not-opening-the-router-when-passed-via-window-open-in